Ian Alexander Joiner created ARROW-14782:
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Summary: [C++][Python] The ORC writer does not support all-null
object columns from Pandas
Key: ARROW-14782
URL: https://issues.apache.org/jira/browse/ARROW-14782
Project: Apache Arrow
Issue Type: Bug
Components: C++, Python
Reporter: Ian Alexander Joiner
Assignee: Ian Alexander Joiner
Fix For: 7.0.0
Object columns in Pandas are currently converted to Null type columns in Arrow
and they can not be written using `pyarrow.orc.write_table`. Since ORC doesn't
support Null type columns we need to find the appropriate DataType for such
columns and do the write.
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